{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 1. Fill the missing pieces\n",
    "Fill the `____` parts of the code below."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Let's create an empty list\n",
    "my_list = ____\n",
    "\n",
    "# Let's add some values\n",
    "my_list.____('Python')\n",
    "my_list.____('is ok')\n",
    "my_list.____('sometimes')\n",
    "\n",
    "# Let's remove 'sometimes'\n",
    "my_list.____('sometimes')\n",
    "\n",
    "# Let's change the second item\n",
    "my_list[____] = 'is neat'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "# Let's verify that it's correct\n",
    "assert my_list == ['Python', 'is neat']"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 2. Create a new list without modifiying the original one\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "original = ['I', 'am', 'learning', 'hacking', 'in']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Your implementation here\n",
    "modified = "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "assert original == ['I', 'am', 'learning', 'hacking', 'in']\n",
    "assert modified == ['I', 'am', 'learning', 'lists', 'in', 'Python']"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 3. Create a merged sorted list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "list1 = [6, 12, 5]\n",
    "list2 = [6.2, 0, 14, 1]\n",
    "list3 = [0.9]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Your implementation here\n",
    "my_list = "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false,
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "print(my_list)\n",
    "assert my_list == [14, 12, 6.2, 6, 5, 1, 0.9, 0]"
   ]
  }
 ],
 "metadata": {
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   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
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   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.5.4"
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 "nbformat": 4,
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